<?php
/**
 * Created by PhpStorm.
 * User: lenovo
 * Date: 2016/9/28
 * Time: 10:35
 */
header('Content-type:text/html;charset=utf-8');
const DISCOUNT=0.8;
$fruit1='香蕉';
$fruit2='苹果';
$fruit3='橘子';
$fuuit1_num=2;
$fuuit2_num=1;
$fuuit3_num=3;
$fruit1_price=7.99;
$fruit2_price=6.89;
$fruit3_price=3.99;
$fruit1_total=$fuuit1_num*$fruit1_price;
$fruit2_total=$fuuit2_num*$fruit2_price;
$fruit3_total=$fuuit3_num*$fruit3_price;
$total=($fruit1_total+$fruit2_total+$fruit3_total)*DISCOUNT;
$str="<table>";
$str.="<tr><td>商品名称</td><td>购买数量(斤)</td><td>商品价格(元/斤)</td></tr>";
$str.="<tr><td>$fruit1</td><td>$fruit1_num</td><td>$fruit1_price</td></tr>";
$str.="<tr><td>$fruit2</td><td>$fruit2_num</td><td>$fruit2_price</td></tr>";
$str.="<tr><td>$fruit3</td><td>$fruit3_num</td><td>$fruit3_price</td></tr>";
$str.="<tr><td colspan='3'>商品折扣:<span>".DISCOUNT."</span></td></tr>";
$str.="<tr><td colspan='3'>打折后购买商品总价格:{$total}元</td></tr> ";
echo $str;
